Tungsten - WikipediaTungsten, or wolfram, is a chemical element with symbol W and atomic number 74 The name tungsten comes from the former Swedish name for the tungstate mineral scheelite, tung sten or "heavy stone" Tungsten is a rare metal found naturally on Earth almost exclusively combined with other elements in chemical compounds rather than alone It was identified as a new element in 1781 and first

Precept Wine » Wine ReviewsPrecept Wine is one of the fastest-growing wine companies in the United States, with a unique portfolio representing emerging American wine regions throughout Washington, Oregon, Idaho, and New Mexico as well as Australia As trailblazers in American winemaking, we offer the best quality-to-price wines of any producer in the country, with critical acclaim to match

Emma Swan | Once Upon a Time Wiki | FANDOM powered by WikiaEmma Swan, also known as the Savior and the Greatest Light, formerly as the Dark One or the Dark Swan, briefly as Princess Leia, and alternatively as Princess Emma, is a character on ABC's Once Upon a Time and Once Upon a Time in Wonderland She débuts in the first episode of the first season of

ERoEI for Beginners | Energy MattersThe Energy Return on Energy Invested (ERoEI or EROI) of any energy gathering system is a measure of that system’s efficiency The concept was originally derived in ecology and has been transferred to analyse human industrial society